Galaxy S25 Ultra vs X100 Ultra

Phone 1

Phone 2

Winner

Samsung Galaxy S25 Ultra

Lifespan decides this one: the Galaxy S25 Ultra is supported until Feb 2032 at $13.33 per month of safe use, while the X100 Ultra runs out in May 2029 ($20.39/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Galaxy S25 Ultra 75 · X100 Ultra 66 — methodology

The lifespan decider

When specs are close, support length decides it — this is what each phone costs per month of safe use.

Samsung Galaxy S25 Ultra $902

Safe to buy$13.33/mo

2025◆ Buy-by Feb 20302032

Vivo X100 Ultra $720

Buy with care$20.39/mo

2024◆ Buy-by May 20272029

Category by category

Display

Galaxy S25 Ultra 100X100 Ultra 90

The Galaxy S25 Ultra's screen is the better one — 6.9-inch dynamic ltpo amoled 2x, qhd+, 1–120hz, up to 2600 nits.

Performance

Galaxy S25 Ultra 98X100 Ultra 92

The Galaxy S25 Ultra's Snapdragon 8 Elite for Galaxy is simply the faster chip.

Camera

Galaxy S25 Ultra 96X100 Ultra 84

The Galaxy S25 Ultra has the stronger camera system (4 real rear lenses vs 3).

Battery

Galaxy S25 Ultra 80X100 Ultra 90

5,500mAh vs 5,000mAh — the X100 Ultra lasts longer between charges.

Software longevity

Galaxy S25 Ultra 81X100 Ultra 42

The Galaxy S25 Ultra is supported until Feb 2032 — 32 months longer than the X100 Ultra.

Value

Galaxy S25 Ultra 75X100 Ultra 66

Overall value goes to the Galaxy S25 Ultra at $13.33 per month of safe use.

Full spec table

Spec	Galaxy S25 Ultra	X100 Ultra
Price (street)	$902	$720
Display	6.9-inch Dynamic LTPO AMOLED 2X, QHD+, 1–120Hz, up to 2600 nits	6.78-inch LTPO AMOLED, 120Hz, 3000 nits peak
Chipset	Snapdragon 8 Elite for Galaxy	Snapdragon 8 Gen 3
RAM	12GB	12GB/16GB
Storage	256GB/512GB/1TB	256GB/512GB/1TB
Battery	5,000 mAh	5,500 mAh
Charging	45W wired (65% in 30 min), 15W wireless (Qi2 Ready), 4.5W reverse wireless	80W wired, 30W wireless
Rear cameras	200MP main, 50MP ultra-wide, 10MP telephoto 3x, 50MP periscope 5x	50MP main, 200MP periscope telephoto, 50MP ultra-wide
Dimensions	162.8 × 77.6 × 8.2 mm	164.1 x 75.6 x 9.2 mm
Weight	218 g	229 g
Water resistance	IP68	IP68/IP69
Supported until	Feb 2032	May 2029

Galaxy S25 Ultra full verdict →X100 Ultra full verdict →Longevity master board →

Scores and verdicts are computed from our verified database — see exactly how. Specs from manufacturer documentation; prices reflect major US retailers.